Musannaf Ibn Abi Shayba 13:2764

Abu Bakr narrated to us, he said: Waki’ narrated to us, he said: Sufyan narrated to us, he said: ‘Umar ibn Rashid al-Sulami narrated to us, he said: I heard al-Sha’bi saying: The Messenger of Allah (may Allah bless him and grant him peace) gave a judgment regarding the *jiwar* (neighborhood/neighborly rights).